Posted by Dave Horvath [76.125.248.166] on Tuesday, September 24, 2013 at 21:27:31 :
In Reply to: Carter E7T2 idle mixture screw adjustment. posted by don in nh [96.61.72.163] on Tuesday, September 24, 2013 at 20:55:34 :
It is a long shot, but last vacuum leak I had was at the brake booster valve and pipe fitting. Might check that if your truck has booster(s).